CALL US

+86 17838360708

Numerical Study on Mixing in a Chaotic Serpentine Mixer

Numerical Study on Mixing in a Chaotic Serpentine Mixer

Numerical Study on Mixing in a Chaotic Serpentine Mixer ...

Sep 21, 2010  As a preliminary study, first of all, mixing in the original serpentine channel has been analyzed to demonstrate the flow characteristics and to find out a

get price

Numerical Study on Mixing in a Chaotic Serpentine Mixer ...

Request PDF Numerical Study on Mixing in a Chaotic Serpentine Mixer Using a Mapping Method We introduce a chaotic serpentine mixer (CSM), which is motivated

get price

Numerical study on the mixing in a barrier-embedded ...

the effect of inertia on the flow and mixing characteristics of a chaotic serpentine mixer (CSM) and proposed an optimal design for a specific operating

get price

Effective mixing in a short serpentine split-and ...

Apr 01, 2018  The numerical mixing indices at the exit of the micromixer are also compared with the experimental results with Reynolds numbers of ... A parametric study was

get price

A chaotic serpentine mixer efficient in the creeping flow ...

Apr 16, 2009  Motivated by the three-dimensional serpentine channel (Liu et al. in J Microelectromech Syst 9:190–197, 2000), we introduce a chaotic serpentine mixer (CSM) and

get price

Numerical study of mixing in wavy micromixers: comparison ...

Feb 01, 2019  Accordingly, for serpentine mixer there is no increase in mixing index beyond Re cri. For α = 0.45 and 0.3 and λ = 8 and 12, the difference in mixing index

get price

Visualizing millisecond chaotic mixing dynamics in ...

Mar 15, 2012  The mixing patterns of two dye solutions inside droplets were quantitatively and accurately measured. The mixing efficiency in a serpentine droplet mixer was also quantified and compared with the simulation data. The mapped chaotic mixing dynamics agree well with the numerical simulation and theoretical prediction.

get price

A Microfluidic Mixer for Chaotic Mixing of Magnetic Particles

fluids, chaotic mixing seems to be a promising method. The purpose of this study is to examine the efficiency of a chaotic micro-mixer through numerical simulations. 2 CONCEPT OF THE MIXER The burst-view of the mixer is depicted in figure 1a. A straight channel with two embedded serpentine

get price

Visualizing millisecond chaotic mixing dynamics in ...

spatial resolution. The mixing patterns of two dye solutions inside droplets were quantitatively and accurately measured. The mixing efficiency in a serpentine droplet mixer was also quantified and compared with the simulation data. The mapped chaotic mixing dynamics agree well with the numerical simulation and theoretical prediction.

get price

Analysis of Passive Mixing in a Serpentine Microchannel ...

An experimental and numerical study on a crossing manifold micromixer has shown that the change in flow profile due to non-uniform momentum, along ... serpentine mixing units produced chaotic advection, and F-shaped mixing units caused splitting and recombination [19]. ... Serpentine-shaped mixers can prevent this damage because, chaotic ...

get price

Mixing efficiency enhancement by a modified curved ...

Aug 01, 2020  Li numerically investigated mixing performance and pressure drop for five different serpentine-micro mixers in a wide range of Reynolds numbers, and reported that the chaotic advection not only improves the mixing efficiency but is the main reason of pressure drop increment.

get price

A chaotic serpentine mixer efficient in the creeping flow ...

Apr 16, 2009  Motivated by the three-dimensional serpentine channel (Liu et al. in J Microelectromech Syst 9:190–197, 2000), we introduce a chaotic serpentine mixer (CSM) and demonstrate a systematic way of utilizing a mapping method to find out an optimal set of design variables for the CSM. One periodic unit of the mixer has been designed to create two streamlines portraits crossing each other. As a ...

get price

(PDF) A Numerical Study of Sub-Millisecond Integrated Mix ...

Apr 10, 2021  Numerical results: Mixing efficiency as a func tion of the serpentine mixer length for flow rates in the range of 80–200 µL/min. Within this flow rate range, our 1200 µm long serpentine mi-

get price

The Effect of Inertia on the Flow and Mixing ...

maps (LTMs) [1,10,28], we designed a chaotic serpentine mixer (CSM) with two repeating functional units that create the two rotational flows with crossing streamlines. In our previous study [25], we investigated flow and mixing characteristics of the CSM in the creeping flow regime. The “L-shaped”

get price

Mixing Enhancement in Serpentine Micromixers with a Non ...

In this numerical study, a new type of serpentine micromixer involving mixing units with a non-rectangular cross-section is investigated. Similar to other serpentine/spiral shaped micromixers, the design exploits the formation of transversal vortices (Dean flows) in pressure-driven systems, associated with the centrifugal forces experienced by the fluid as it is confined to move along curved ...

get price

(PDF) A numerical study on the flow and mixing in a ...

In passive mixers [1], the mixing is obtained particles had been mainly applied to biomedical and biological without any external power, for example by using serpentine, researches [10-12] such as cell separation, drug delivery and herringbone, T-shape and Y-shape channels, which split the hyperthermia treatment before the advent of the ...

get price

Type of the Paper (Article) Sub-millisecond integrated mix ...

Feb 08, 2021  COMSOL) to generate 2D maps of chaotic mixing patterns inside of microdroplets trav-elling through a serpentine mixer. Their experimental and simulation results showed that their micro-mixer could achieve mixing efficiencies of up to 80% after just 18 ms. Of particular relevance to the current work is the fact that they demonstrated that by forc-

get price

Visualizing millisecond chaotic mixing dynamics in ...

Mar 15, 2012  The mixing patterns of two dye solutions inside droplets were quantitatively and accurately measured. The mixing efficiency in a serpentine droplet mixer was also quantified and compared with the simulation data. The mapped chaotic mixing dynamics agree well with the numerical simulation and theoretical prediction.

get price

NUMERICAL STUDY OF MIXING IN MICROCHANNELS WITH

[5] to achieve rapid mixing. Passive chaotic mixers use geometric features instead of external power source to enhance mixing. Notable studies have exploited serpentine channels [8], staggered herringbone patterns for pressure driven flow [10], and well structures in the trapezoidal channel cross-section for electro-osmotic flow [6].

get price

Analysis of Passive Mixing in a Serpentine Microchannel ...

The present study aims to design a chaotic-advection-based passive micromixer with enhanced mixing efficiency. A serpentine-shaped microchannel with sinusoidal side walls was designed, and three cases, with amplitude to wavelength (A/λ) ratios of 0.1, 0.15, and 0.2 were investigated. Numerical simulations were conducted using the Navier ...

get price

Chaotic mixing in microfluidic devices driven by ...

Chaotic mixing in microfluidic devices driven by oscillatory cross flow ... soidal and serpentine flows,32–36 and split and recombine ... “crossing-streamline” principle to conduct a numerical study of chaotic mixing in microfluidic channel geometries that have fixed boundaries, in which chaotic

get price

Analysis of Passive Mixing in a Serpentine Microchannel ...

An experimental and numerical study on a crossing manifold micromixer has shown that the change in flow profile due to non-uniform momentum, along ... serpentine mixing units produced chaotic advection, and F-shaped mixing units caused splitting and recombination [19]. ... Serpentine-shaped mixers can prevent this damage because, chaotic ...

get price

Analysis of Passive Mixing in a Serpentine Microchannel ...

Sample mixing is difficult in microfluidic devices because of laminar flow. Micromixers are designed to ensure the optimal use of miniaturized devices. The present study aims to design a chaotic-advection-based passive micromixer with enhanced mixing efficiency. A serpentine-shaped microchannel with sinusoidal side walls was designed, and three cases, with amplitude to wavelength (A/λ) ratios ...

get price

Visualizing millisecond chaotic mixing dynamics in ...

spatial resolution. The mixing patterns of two dye solutions inside droplets were quantitatively and accurately measured. The mixing efficiency in a serpentine droplet mixer was also quantified and compared with the simulation data. The mapped chaotic mixing dynamics agree well with the numerical simulation and theoretical prediction.

get price

The Effect of Inertia on the Flow and Mixing ...

maps (LTMs) [1,10,28], we designed a chaotic serpentine mixer (CSM) with two repeating functional units that create the two rotational flows with crossing streamlines. In our previous study [25], we investigated flow and mixing characteristics of the CSM in the creeping flow regime. The “L-shaped”

get price

The effect of chaotic advection on mixing degree and ...

Dec 02, 2016  Since the majority of fluids in engineering and biology applications are non-Newtonian, a numerical investigation was performed on the mixing of non-Newtonian fluids. Chaotic advection is one of the useful mechanisms to enhance the mixing performance which can be generated using curved micromixers. Therefore, mixing of non-Newtonian fluids in curved micromixers was studied in this study

get price

(PDF) A numerical study on the flow and mixing in a ...

In passive mixers [1], the mixing is obtained particles had been mainly applied to biomedical and biological without any external power, for example by using serpentine, researches [10-12] such as cell separation, drug delivery and herringbone, T-shape and Y-shape channels, which split the hyperthermia treatment before the advent of the ...

get price

A numerical design study of chaotic mixing of magnetic ...

Feb 27, 2007  A two-dimensional numerical investigation into the mixing of magnetic microparticles with bio-cells in a chaotic micromixer is carried out by using a multiphysics finite element analysis package. Fluid and magnetic problems are simulated in steady-state and time-dependent modes, respectively. Intensity of segregation is utilized as the main index to examine the efficiency of the mixer ...

get price

(PDF) Serpentine microfluidic mixer made in LTCC Jerzy ...

Serpentine microfluidic mixer made in LTCC. Download. Related Papers. Numerical Analysis Of Mixing Under Low And High Frequency Pulsations At Serpentine Micromixers. By ziemowit malecha. Micromixers—a review. By nam nguyen. TOPICAL REVIEW: Micromixers---a review. By Nam Nguyen.

get price

Mixing Enhancement in Serpentine Micromixers with a Non ...

The basic designs of serpentine micromixers used in this computational study are shown in Figures 1 and 2. The fluids to be mixed are fed into the mixer through a T-shaped inlet structure. The shape of both inlets is square with a size of 50 m. For both designs, each mixing unit consists of two semicircular sections connected by a straight one.

get price

Enhancement of Mixing Performance of Non-Newtonian

In this study, a numerical investigation was performed on the mixing of non-Newtonian power-law fluids in ... The results showed that the grooves caused chaotic advection and improved the mixing performance but had no significant effect on dimensionless pressure drop. ... switches to another mixer and first mixer undergoes a cleaning cycle.

get price